<!--
 * @Author: 胡海
 * @Date: 2020-08-29 13:09:51
 * @LastEditors: 胡海
 * @LastEditTime: 2020-09-10 16:56:52
 * @Description: 
-->
<template>
  <div class="cartcontrol">
      <div class="cart-decrease " v-show="food.count>0" @click.stop.prevent="decreaseCart" transition="move">
          <span class="inner icon-remove_circle_outline"></span>
      </div>
      <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
      <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script type="text/ecmascript-6">
import Vue from 'vue';
export default {
    props: {
        food: {
            type: Object
        }
    },
    methods: {
        addCart(event) {
            if (!event._constructed) {
                return;
            }
            console.log('click');
            if (!this.food.count) {
               Vue.set(this.food, 'count', 1);
            }else {
                this.food.count++;
            }
            this.$dispatch('cart.add', event.target );
        },
        decreaseCart(event) {
            if (!event._constructed) {
                return;
            }
            if (this.food.count) {
                this.food.count--;
            }
        }
    }
};
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease
      display: inline-block
      padding: 6px
      transition: all 0.4s linear
      &.move-transition
        opacity: 1
        transform: translate3d(0, 0, 0)
        .inner
          display: inline-block 
          line-height: 24px 
          font-size: 24px
          color: rgb(0, 160, 220) 
          transition: all 0.4s linear
          transform: rotate(0)
      &.move-enter, &.move-leave
        opacity: 0
        transform:  translate3d(24px, 0, 0) 
        .inner
          transform: rotate(180deg) 
    .cart-count
      display: inline-block 
      vertical-align: top
      width:  12px
      padding-top: 6px
      line-height: 24px 
      text-align: center 
      font-size: 10px
      color: rgb(147, 153, 159) 
    .cart-add
      display: inline-block  
      padding: 6px
      line-height: 24px 
      font-size: 24px
      color: rgb(0, 160, 220) 
</style>